Techniques to Assess Fish Productivity in Aquaculture Farms and Small Fisheries: An Overview of Algebraic Methods

Alatorre-J, O.; Trejo, F. Garcia; Soto-Zaraz, G. M.; Rico-Garci, E.

doi:10.3923/jas.2012.888.892

Cited by 2 publications

(1 citation statement)

References 20 publications

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“…Production performance is typically coupled with quantifiable metrics, such as growth rate/weight gain and food conversion (Alatorre-J et al, 2012). Maintaining optimal performance is essential to balancing the sustainability and financial stability of aquaculture operations, but also can contribute to overall fish health.…”

Section: Production Performance and Immunocompetencementioning

confidence: 99%

Nano‐scale applications in aquaculture: Opportunities for improved production and disease control

Sabo‐Attwood

Apul

Bisesi

et al. 2021

Journal of Fish Diseases

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Aquaculture has evolved from its earliest documented forms in the Fan Li Dynasty ca 4000 BC (Nash, 2011), to a multi-sector industry, supporting vital food production, globally. With the world's population expected to near 10 billion by 2050 (Anderson, 2010; Conforti et al., 2011), food, energy and water needs have surfaced as the most profound challenges in this new millennium. Global food shortages are exacerbated by reduced crop yields due to global warming and limited availability of water for agriculture. To ensure food security, increases in production volume of staple foods (rice, wheat, etc.), alongside with high calorie protein-based products (meat and fish) are needed. Fish are the most effective protein sources for humans with the highest edible yield (nearly 70% of the body mass utilized) and protein retention (31% vs. 18% for red meat) (Kaiser, 2012). Global production of protein from aquatic species is partially accomplished by marine and freshwater aquaculture practices with the latter producing 50 million metric tons, valued at $100 billion, annually (Bostock et al., 2010). This makes aquaculture the fastest growing food-production sector, comprising nearly 50% of the current seafood supply (Bostock et al., 2010). In addition to food security, aquaculture also plays an important role in habitat restoration, recreation, and threatened and endangered species conservation. Aquaculture is practiced on a global scale using varied approaches (i.e. intensive, extensive) and scales (i.e. high density, low density). Regardless of the application, sustainable aquaculture operations have production-specific challenges and bottlenecks. The ability to manage aquatic disease agents, monitor and maintain animal health constitutes an assemblage of notable challenges

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Section: Production Performance and Immunocompetencementioning

confidence: 99%

Nano‐scale applications in aquaculture: Opportunities for improved production and disease control

Sabo‐Attwood

Apul

Bisesi

et al. 2021

Journal of Fish Diseases

View full text Add to dashboard Cite

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Body Size and Morphological Characteristics in sex determination of Humphead Wrasse Cheilinus undulatus in captivity

Tan

Ching

Senoo

2019

J. Phys.: Conf. Ser.

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This study was aimed to identify the sex of humphead wrasse, Cheilinus undulatus kept in captivity based on body sizes and morphological characteristics. There were 65 tails of C. undulatus broodstocks reared in the captivity throughout six months of research period and fed daily with enrich prey fish (Sardinella sp.). Growth parameters and morphological characteristics such as presence of eyeline, hump on head and genital papillae, of the C. undulatus were carried out. These findings revealed in captivity, female of C. undulatus (n=13) attained an average body weight of 2.78 kg and total length 47.10 cm meanwhile male of C. undulatus attained larger body weight (14.62 kg) and total length exceeding size of female (89.30 cm). C. undulatus performed an isometric growth pattern (b = 2.9487) with condition factor of above 0.2. Morphologically, female was identified with the noticeable alleviation of the hump on its head and the visibility of eyeline behind its eyes which was not seen in male. This study concluded sex of C. undulatus in captivity is differentiated through body size and morphological features and take longer time in sex transition, thus balanced sex ratio for good broodstock management can be controlled to develop appropriate breeding protocol.

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Techniques to Assess Fish Productivity in Aquaculture Farms and Small Fisheries: An Overview of Algebraic Methods

Cited by 2 publications

References 20 publications

Nano‐scale applications in aquaculture: Opportunities for improved production and disease control

Nano‐scale applications in aquaculture: Opportunities for improved production and disease control

Body Size and Morphological Characteristics in sex determination of Humphead Wrasse Cheilinus undulatus in captivity

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